     <footer>
            <Tabbar fixed v-model="selected">
                <TabItem id="home">
    
                    <img v-show="selected === 'home'" slot="icon" src="../assets/imges/Tabar/shouyeS@2x.png" alt="">
                    <img v-show="selected !== 'home'" slot="icon" src="../assets/imges/Tabar/shouye@2x.png" alt=""> 首页
    
                </TabItem>
                <TabItem id="video">
                    <img v-show="selected === 'video'" slot="icon" src="../assets/imges/Tabar/shixunS@2x.png" alt="">
                    <img v-show="selected !== 'video'" slot="icon" src="../assets/imges/Tabar/shixun@2x.png" alt=""> 视讯
                </TabItem>
                <TabItem id="living">
                    <img v-show="selected === 'living'" slot="icon" src="../assets/imges/Tabar/zhiboS@2x.png" alt="">
                    <img v-show="selected !== 'living'" slot="icon" src="../assets/imges/Tabar/zhibo@2x.png" alt=""> 直播
                </TabItem>
                <TabItem id="periodical">
                    <img v-show="selected === 'periodical'" slot="icon" src="../assets/imges/Tabar/qikanS@2x.png" alt="">
                    <img v-show="selected !== 'periodical'" slot="icon" src="../assets/imges/Tabar/qikan@2x.png" alt=""> 期刊
                </TabItem>
                <TabItem id="me">
                    <img v-show="selected === 'me'" slot="icon" src="../assets/imges/Tabar/woS@2x.png" alt="">
                    <img v-show="selected !== 'me'" slot="icon" src="../assets/imges/Tabar/wo@2x.png" alt=""> 我
                </TabItem>
    
            </Tabbar>
    
     </footer>